Remove unused method in RouteSet test.
Merge pull request #15116 from tgxworld/remove_unused_method_in_test

Remove unused method in RouteSet test.
Remove ruby-head from allow_failures matrix
Revert "Remove ruby-head from allow_failures matrix"

This reverts commit 5d2d301024cc0b17f26f6b454ac22a72f1db8a23.
Add RFC4791 MKCALENDAR method
Changed extract_limit in class Column to return correct mysql float and double limits
Merge pull request #14791 from asn62/mysql_double_bug

Changed extract_limit in class Column to return correct mysql float and
double limits
Merge pull request #15121 from skarpesh/rfc4791-methods

Add RFC 4791 MKCALENDAR method
fixes stack level too deep exception on action named 'status' returning 'head :ok'